Environmental Engineering Research

Korean Society of Environmental Engineers (대한환경공학회)
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Evaluation of Badge-Type Diffusive Sampler Performance for Measuring Indoor Formaldehyde

  • Yim, Bongbeen (Research & Development Center, NINECO Inc.) ;
  • Lee, Kyusung (Research & Development Center, NINECO Inc.) ;
  • Kim, Jooin (Research & Development Center, NINECO Inc.) ;
  • Hong, Hyunsu (Research & Development Center, NINECO Inc.) ;
  • Kim, Suntae (Department of Environmental Engineering, Daejeon University)
  • Received : 2012.08.17
  • Accepted : 2013.05.09
  • Published : 2013.09.30
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Abstract

The purposes of this study were to determine the efficiency of using a badge-type diffusive sampler to measure formaldehyde concentrations indoors, and to evaluate the uncertainty associated with the use of data from a diffusive sampler. A diffusive sampler using 2,4-dinitrophenylhydrazine (DNPH) reagent was found to be a suitable tool for measuring the formaldehyde concentration in an indoor environment. The agreement between results of the diffusive sampler and DNPH cartridge were good, showing a correlation coefficient of 0.996. The sampling rate for the diffusive sampler was calculated to be 1.428 L $hr^{-1}$, with a standard deviation of 0.084 L $hr^{-1}$. It was found through analysis that the uncertainty associated with the sampling rate and the mass of the formaldehyde transported into the diffusive sampler by diffusion was the dominant contributor to the total.

Keywords

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